Document 3JMokkN7gobwJ1OD5611MGgRn

! ;w i. r.M-.^T r. .1. . .j l iC*`- Plant Maii.-igr:- I ;.du:. :; i c:u- imcr company Correspondence i) 1 rr- >:::n J'7, lr<74 Puri:::; c:u r..: r.tii of Ayri:. 1974, a survey teas r.'dr employee o.j.o.urc: t u: r: rr. a.' '<=to:-. fiberr 1 t:.e Fricti-n l'r the Ch-.-. .:.n! i-ui idir..::.. The results of tiir thi* study are detailed 'i: uIl.k:.: L\co-::vr orlrv - t: pesurr to a'li'crt*. * fiber: v;, irund only ii. :!. . b L..L. ratwrv a::.: jt Bi, cl ?-l L:i the Friction Products ruii-.i::. . 11... cvcc; : n.'ontratier: of *::uert.'c dust at Binel f-1 ".'0: t fen:. . to .'i c ; :t-.:i3y excessive tve*1.::* eluent Stirling indicated c. ..c:.t: citbcl v thr current three. c Id lir.it value* The r.ain area of c. r.ccrn is the du:t created by i1 use of the disc in r ._ l< i u Luer.-.i^rj'. Improved v.r.ti in: ie.. control rv.t 1 ....vide': a: this v;-tr.v.i.... 7... sender is rot : : nc u ted ur.Lii i.-.ipr ,\vatarc tor ;>lct. d. 0S1L`. regulations state that xt employer- ' s to ; e o.:.c -ed, ;. . ,,rv cir.c, to a^bc-st' v concent re tic-r.s in ,f Id -tK-r .-.r cuh :. centir-.rer u 'o-.l r-. : pi rstw ry protection i. vTM.. a fit *r r .uf.:;. ..tion ' it:. at z- -i.e": per cubic cvr.ti- r . t < r vas ..btai.-.c: i r. ir:o lev..I cf at. *itployt-c .*nrruti:{{ t`.< rr. L..;*i.*>ww .*..-tiicutiv".: oi exg-c sure i: re ./aired vhtn inter- ;.*:tu..t exposures exceeds 10 libers ptr cubic centimeter. . 11 a c hme n t s cS > ^L/ClZ~/*L4<./*Q. E. J. yathc-.. Industrial hygienist Data Fhcct Trcr.ton i_".cr:ica 1 Plant J.-h Here ri ,'i i t. '; ; r .f o - f,u rv- v 197A <**"- Current TLV 1 97r TLV Friction ProJji-t= Puiluitip. (1) Jrl Eipel operator, 1st shift Personal air sample (2) Repeat of (i) Personal air sample- O) Repeat of (1) 2nd shift rerscr.al air sample (*) **\ '.'Z pad pres? operator Personal air sample (5) General area sample by liipol r-2 <b) r2> Bipe-1 operator Personal ttr sample (7) #5 Bipcl operator Personal air sample (8) ?y* Bipcl operator Personal air sample (9) General area sample by Bipcl #0 (10) #7 Dipel operator Personal air sample (11) #8 Bipcl operator Personal air sample (12) Bay E8, Mopar grinder Personal air sample Asbestos Fiber fi < trj l i on* j.U - 3.1 2.0 0.8 1.0 2.1 2.9 1.5 0.6 1.0 1.2 0.2 -2- Da?..i lihcct Trenton Chemical l'lant *1 ' ' !'< *rtirVf y 1 'jlu Joh Or script ion Curlent TLV i '?(. TLV Fri c t ion Products BuilJinr U3J Bay E3, i'rooi testing-Kopar Line (14) Bay ES, Packir.g-Mopar Line Personal air sample (15) Tiny ES, Mopar Line General area sx.pic (16) Bay F8, under :ransfer point of screw coiiviv.v, spillage General area sample (17) Bay CS, disc pad grinder, Line 3 Personal air sample (18) Bay C8, disc pad inspector. Line 3 Personal air sample (19) Bay f.8, Line 3 and B2 General area sample (20) Eay CE, brake shoe grinder, Line B2 Personal air sample (21) Bay CS, inspector and packer, Line B2 Personal air sample (22) Bay D7, belt sandcr Personal air sample (23) Bay r*>f press and saws operator Personal air sample (24) Bay B5, packing shoe linings on pallet Personal air sample CHM AsbctC'. Filler Cc ncont <*ni. i on* .* .0 2. J ' 0.7 0.3 2.1 1.2 2.0 3.5 S*s; 0.1 0.4 0.5 Data Shcct Trento:; Gnomical Plant A*bc*t"~ ^ur TV 1**7-- Jot< Hr TTlrtion Current TLV iv7l< TLV Friction Products Building (2j) Eav E5 leading mens with brake Perc.aal air sample (26) Rayc5, adjacent to (23) General air sample (27) Bay 3, balcony-hammer mills General air sample (26) Bay C.'5, extruders ocncral air sample (29) Bay E2, voigh-up Personal air sample (30) Bay E2, weigh-up Terr, mal air sample (31) Bay E2, down wind from weigh-up General air sample (32) #4 skip hoist box loader Personal air sample (33) Right of #4 skip hoist General air sample (34) Left of #'** skip hoist General air sample (35) Unloading #4 mixer Personal air sample (36) 10 feet southwest of #4 mixer General air sample (37) #1 skip hoist box loader General area sample a / Asbestos Fiber Conerntrn t ii-ns* 3.0 2.0 1.1 0.5 0.4 0.8 1.1 0.5 0.3 0.3 4.0 1.1 0.4 -cfnta 5h..ct Trcr'v.ri: '.:iianical Plant AthpM1'1' purvey lv'4 Ji.- ! 7;r ' r i ->: Current TLV l970 TLV Friction Prorinct*. Building (38) Indoor-Outdoor trucker Personal air sample (39) Janitor on Tennant sweeper rersi.aal air sample Chemical Building <w0) Pico mixer-loading Personal air samplc (41) Rico mixer General air sample (42) Day blcndcr- loading Pcrsonal air sample (43) Day blonder General air sample A*bcitor- Filler C--m onLraii'-iir :<. 0 2-0 0.6 0.4 0.1 0.2 0.1 * Asbestos fiber concentrations are given in fibers (greater chan 5 microns in length) per cubic centimeter. i'ata Sheet Trt:;L.i. Plant \ ><! l Stirvtv Aft"- jV7t 1'~; Dcccri'rii^n Current TLV IWr 1LV Frier icn Products Builuinr Kf'rcaic:> and Joveli,pP!e,.:L Laboratory: (44) Disc s.-.ud< r - CaLio model Personal air sample (43) Lise sender - leaded sample 12 inched irem disc (46) Center of Laboratory General ar.-.a (47) Belt sender - table model Personal air sample (48) Belt sandcr - loaded sample 9 inches from belt Asbestos Fiber Concentration* 5.0 -v2. 23.8 51.2 0.5 0.2 0.9 * Asbestos fiber concentrations arc given in fibers (greater than 5 microns in length) per cubic centimeter.